<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>充电效果3.0</title>
  <style>
    html,
    body {
      width: 100%;
      height: 100%;
      display: flex;
      background: #000;
      overflow: hidden;
    }

    .g-number {
      position: absolute;
      width: 300px;
      top: 27%;
      text-align: center;
      font-size: 32px;
      z-index: 10;
      color: #fff;
    }

    .g-container {
      position: relative;
      width: 300px;
      height: 400px;
      margin: auto;
    }

    .g-contrast {
      filter: contrast(10) hue-rotate(0);
      width: 300px;
      height: 400px;
      background-color: #000;
      overflow: hidden;
      animation: hueRotate 10s infinite linear;
    }

    .g-circle {
      position: relative;
      width: 300px;
      height: 300px;
      box-sizing: border-box;
      filter: blur(8px);


    }

    .g-circle::after {
      content: "";
      position: absolute;
      top: 40%;
      left: 50%;
      transform: translate(-50%, -50%) rotate(0);
      width: 200px;
      height: 200px;
      background-color: #00ff6f;
      border-radius: 42% 38% 62% 49% / 45%;
      animation: rotate 10s infinite linear;
    }

    .g-circle::before {
      content: "";
      position: absolute;
      width: 176px;
      height: 176px;
      top: 40%;
      left: 50%;
      transform: translate(-50%, -50%);
      border-radius: 50%;
      background-color: #000;
      z-index: 10;
    }

    .g-bubbles {
      position: absolute;
      left: 50%;
      bottom: 0;
      width: 100px;
      height: 40px;
      transform: translate(-50%, 0);
      border-radius: 100px 100px 0 0;
      background-color: #00ff6f;
      filter: blur(5px);
    }

    ul {
      --width: 0;
      --ramdom: 0;
      --animation-random1: 0;
      --animation-random2: 0;
    }

    /* li {
      position: absolute;
      border-radius: 50%;
      background: #00ff6f;
    } */


    @keyframes rotate {
      50% {
        border-radius: 45% / 42% 38% 58% 39%;
      }

      100% {
        transform: translate(-50%, -50%) rotate(720deg);

      }
    }

    @keyframes moveToTop {
      90% {
        opacity: 1;
      }

      100% {
        opacity: .1;
        transform: translate(-50%, -180px);
      }
    }

    @keyframes hueRotate {

      /*色调变换css动画*/
      100% {
        filter: contrast(15) hue-rotate(360deg);
      }
    }
  </style>
</head>

<body>
  <div class="g-container">
    <div class="g-number">98.7%</div>
    <div class="g-contrast">
      <div class="g-circle"></div>
      <ul class="g-bubbles">
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
        <li></li>
      </ul>
    </div>
  </div>

  <script>
    let lis = document.querySelectorAll('ul li')
    const getRandom = (base) => {
      console.log(Math.random() * base)
      return Math.random() * base
    }

    lis.forEach((li, index) => {
      li.style.position = 'absolute'
      li.style.borderRadius = '50%';
      li.style.background = '#00ff6f';

      let width = 15 + getRandom(15)

      li.style.left = 15 + getRandom(70) + 'px'
      li.style.top = '50%'
      li.style.transform = 'translate(-50%,-50%)'
      li.style.width = width + 'px'
      li.style.heigth = width + 'px'
      li.style.animation = `moveToTop ${ getRandom(6)+ 3}s ease-in-out -${getRandom(5000)/1000}s infinite`

    })
  </script>
</body>

</html>